Add 4.0 document

docs/development.md

@@ -1,4 +1,9 @@
-## Development Information
+## Development/Support Information
+
+## Which Kubernetes version is supported in multus?
+
+Currently multus team supports Kubernetes that Kubernetes community maintains.
+See [Version Skew Policy](https://kubernetes.io/releases/version-skew-policy/) for the details.
 
 ## How to utilize multus-cni code as library?
 
@@ -9,7 +14,6 @@ You can use following command to import our code into your go code.
 go get gopkg.in/k8snetworkplumbingwg/multus-cni.v3
 ```
 
-
 ## How do I submit an issue?
 
 Use GitHub as normally, you'll be presented with an option to submit a issue or enhancement request.

docs/how-to-use.md

@@ -21,7 +21,11 @@ You may acquire the Multus binary via compilation (see the [developer guide](dev
 
 As a [quickstart](quickstart.md), you may apply these YAML files (included in the clone of this repository). Run this command (typically you would run this on the master, or wherever you have access to the `kubectl` command to manage your cluster).
 
-    cat ./deployments/multus-daemonset.yml | kubectl apply -f -
+    cat ./deployments/multus-daemonset.yml | kubectl apply -f -  # thin deployment
+
+or
+
+    cat ./deployments/multus-daemonset-thick.yml | kubectl apply -f - # thick (client/server) deployment
 
 If you need more comprehensive detail, continue along with this guide, otherwise, you may wish to either [follow the quickstart guide]() or skip to the ['Create network attachment definition'](#create-network-attachment-definition) section.
 

docs/quickstart.md

@@ -50,8 +50,16 @@ git clone https://github.com/k8snetworkplumbingwg/multus-cni.git && cd multus-cn
 
 We'll apply a YAML file with `kubectl` from this repo.
 
+For thin-plugin (i.e. standalone implementation) case:
+
 ```
-cat ./deployments/multus-daemonset-thick-plugin.yml | kubectl apply -f -
+cat ./deployments/multus-daemonset.yml | kubectl apply -f -
+```
+
+For [thick-plugin](docks/thick-plugin.md) (i.e. client/server implementation) case:
+
+```
+cat ./deployments/multus-daemonset-thick.yml | kubectl apply -f -
 ```
 
 ### What the Multus daemonset does